diff --git a/src/qt/notificator.cpp b/src/qt/notificator.cpp
index 1cef397d1..38a029dbe 100644
--- a/src/qt/notificator.cpp
+++ b/src/qt/notificator.cpp
@@ -14,18 +14,18 @@
 #include <QSystemTrayIcon>
 #include <QTemporaryFile>
 #include <QVariant>
-
-#ifdef Q_OS_MAC
-#include "macnotificationhandler.h"
-
-#include <ApplicationServices/ApplicationServices.h>
-#endif
-
 #ifdef USE_DBUS
 #include <stdint.h>
-
 #include <QtDBus>
 #endif
+// Include ApplicationServices.h after QtDbus to avoid redefinition of check().
+// This affects at least OSX 10.6. See /usr/include/AssertMacros.h for details.
+// Note: This could also be worked around using:
+// #define __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES 0
+#ifdef Q_OS_MAC
+#include <ApplicationServices/ApplicationServices.h>
+#include "macnotificationhandler.h"
+#endif
 
 
 // https://wiki.ubuntu.com/NotificationDevelopmentGuidelines recommends at least 128